By John Brice Simon is Grambling’s third OC since Jackson took over two months ago Hue Jackson has his offensive coordinator. Again. View the original article to see embedded media. As Jackson’s first Grambling State Tigers squad gets spring camp underway, Jackson announced late Friday night that he had promoted former Memphis Tigers assistant coach John Simon into the again-vacated role of offensive play-caller for the Tigers. “I feel good about where we are. John Simon will be our offensive coordinator,” Jackson said. “I trust John wholeheartedly. Obviously I’m going to be totally involved i…